Philippians 1 6
And I am certain that God, who began the good work within you, will continue his work until it is finally finished on the day when Christ Jesus returns.
Compare with other 3 random translations
NAS Philippians 1:6For I am confident of this very thing, that He who began a good work among you will complete it by the day of Christ Jesus.
YLT Philippians 1:6having been confident of this very thing, that He who did begin in you a good work, will perform it till a day of Jesus Christ,
ERV Philippians 1:6I am sure that the good work God began in you will continue until he completes it on the day when Jesus Christ comes again.